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Check
SiBE12-816_D
269
Service Diagnosis
8.10 Installation Condition Check
Check No.17
8.11 Discharge Pressure Check
Check No.18
Installation condition check
OK
(R14359)
NG
YES
YES
YES
NO
NO
NO
Is the heat exchanger
very dirty?
Check the
allowable dimensions
of the air suction and
discharge area.
Is the
airflow blocked by
obstacles or winds blowing
in the opposite
direction?
Does the
discharged air from
other outdoor unit cause an
increase of the suction
air temperature?
Change the installation
location or direction.
Change the installation
location or direction.
Change the installation
location or direction.
Check the outdoor temperature
(temperature of air taken in by
the outdoor unit).
(The outdoor temperature shall
be 46˚C or lower.)
Clean the heat exchanger.
(R11718)
Not dirty
YES
YES
Dirty
NO
NO
NO
YES
Is the air
filter or indoor/outdoor
heat exchanger
dirty?
Is the connection pipe
deformed?
Is the stop valve open?
High?
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean the dirty one.
Replace the compressor.
Discharge pressure check